Sticking to a plan of not overexerting Garnett in his first game back since injuring his knee Feb. 19, the Celtics beat the San Antonio Spurs 80-77 on Friday night with their All-Star forward on the bench during a down-to-the-wire finish in the fourth quarter.

If young middle-class women suffered from a lack of vitality, it was not because they were overexerting themselves, but because they lacked serious efforts and a goal in life — other than waiting for “Mr. Right.”